Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
114BX

114BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

881X

881X

Switchcraft / Conxall

CONN PLUG MONO 2.46MM 2COND

0

BPJF01X

BPJF01X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

0

E12B

E12B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

267S15

267S15

Switchcraft / Conxall

SEALED 1/4" PLUG, STEREO, 0.140"

100

250S18

250S18

Switchcraft / Conxall

SEALED 1/4" PLUG, MONO, 0.171" [

100

EH35MMMSC

EH35MMMSC

Switchcraft / Conxall

CONN JACK MONO 3.5MM PNL MNT

19

856X

856X

Switchcraft / Conxall

CONN PLUG MONO 2.46MM 2COND

0

267S28

267S28

Switchcraft / Conxall

SEALED 1/4" PLUG, STEREO, 0.261"

100

250S28

250S28

Switchcraft / Conxall

SEALED 1/4" PLUG, MONO, 0.261" [

100

XMT332A

XMT332A

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

35RAPC7J

35RAPC7J

Switchcraft / Conxall

CONN JACK STEREO 3.5MM R/A

0

13B

13B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

425Z

425Z

Switchcraft / Conxall

CONN PLUG STEREO

0

12AW07

12AW07

Switchcraft / Conxall

SEALED 1/4" JACK, MONO, TIP IS S

96

UJ1

UJ1

Switchcraft / Conxall

CONN JACK MONO 4.39MM PNL MNT

0

PJRAS3X1S02

PJRAS3X1S02

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

420Z

420Z

Switchcraft / Conxall

CONN PLUG STEREO

0

BPJR06AUX

BPJR06AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

0

TT253X

TT253X

Switchcraft / Conxall

CONN PLUG STEREO 4.39MM

95

Barrel - Audio Connectors

1. Overview

Barrel audio connectors are cylindrical electro-mechanical interfaces primarily used for analog audio signal transmission or low-voltage power delivery. Defined by their coaxial structure with center pin and outer sleeve contacts, these connectors ensure reliable connectivity in audio equipment. Their importance in modern technology stems from their cost-effectiveness, durability, and ability to maintain signal integrity in critical applications ranging from consumer electronics to professional audio systems.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Standard Barrel3.5mm/6.35mm diameter, unbalanced signal transmissionHeadphone jacks, guitar cables
Locking BarrelThreaded coupling mechanism for vibration resistanceStage monitoring systems
Miniature Barrel2.5mm/3.0mm size with compact designPortable audio devices
Bantam ConnectorDouble-row configuration for space-constrained panelsProfessional mixing consoles

3. Structure and Components

Typical construction includes: - Center Contact: Gold-plated phosphor bronze for signal transmission - Insulation Sleeve: High-temperature resistant thermoplastic - Outer Contact: Spring-loaded brass with EMI shielding - Housing: Nickel-plated brass or durable polymer The three-point contact design ensures mechanical stability while maintaining electrical continuity.

4. Key Technical Specifications

ParameterSignificance
Impedance (10k -1M )Affects signal fidelity in audio circuits
Contact Resistance ( 5m )Determines power transmission efficiency
Durability (5000+ cycles)Reliability indicator for frequent connections
Frequency Range (20Hz-20kHz)Audio signal bandwidth compatibility
Shielding Effectiveness ( 60dB)EMI/RFI interference reduction

5. Application Fields

  • Consumer Electronics: Smartphones, laptops
  • Professional Audio: Mixing consoles, studio monitors
  • Instrumentation: Electric guitars, synthesizers
  • Medical Devices: Patient monitoring systems

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
Amphenol AudioNE800 Series Switchcraft jacks
NeutrikNCJ6FX nickel-plated connectors
SwitchcraftONA Series locking audio connectors
MolexMicro-Lock plus contact systems

7. Selection Recommendations

Consider: 1. Mechanical requirements (panel space, insertion force) 2. Electrical parameters (impedance matching, current rating) 3. Environmental factors (temperature range, corrosion resistance) 4. Termination type (solder vs. PCB mount) 5. Compliance standards (RoHS, REACH) For live sound applications, prioritize locking mechanisms and gold-plated contacts.

8. Industry Trends

Current trends include: - Miniaturization for wearable devices (sub-2mm designs) - Integration with digital signal paths (analog-digital hybrid connectors) - Enhanced shielding for 5G coexistence - Biodegradable polymer housing development - Smart connectors with integrated presence detection Market growth projected at 4.2% CAGR through 2027 driven by immersive audio technologies.

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